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X-CSE-ConnectionGUID: n716Ezm0TV2y56jLMKEwMA== X-CSE-MsgGUID: 6RwFLnuYQ7uy2BAII8UcCA== X-IronPort-AV: E=McAfee;i="6700,10204,11426"; a="59481429" X-IronPort-AV: E=Sophos;i="6.15,272,1739865600"; d="scan'208";a="59481429" Received: from orviesa008.jf.intel.com ([10.64.159.148]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 May 2025 05:54:00 -0700 X-CSE-ConnectionGUID: WnBzK76JSti42Mp9yhkUWQ== X-CSE-MsgGUID: VhDwxvZTTbW9ratli07BOA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,272,1739865600"; d="scan'208";a="137213309" Received: from lkp-server01.sh.intel.com (HELO 1992f890471c) ([10.239.97.150]) by orviesa008.jf.intel.com with ESMTP; 08 May 2025 05:53:59 -0700 Received: from kbuild by 1992f890471c with local (Exim 4.96) (envelope-from ) id 1uD0lA-000AyJ-2C; Thu, 08 May 2025 12:53:56 +0000 Date: Thu, 8 May 2025 20:53:21 +0800 From: kernel test robot To: Kumar Kartikeya Dwivedi Cc: oe-kbuild-all@lists.linux.dev Subject: Re: [PATCH bpf-next v1 06/11] bpf: Report may_goto timeout to BPF stderr Message-ID: <202505082019.euW3a7Kk-lkp@intel.com> References: <20250507171720.1958296-7-memxor@gmail.com> Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250507171720.1958296-7-memxor@gmail.com> Hi Kumar, kernel test robot noticed the following build errors: [auto build test ERROR on 43745d11bfd9683abdf08ad7a5cc403d6a9ffd15] url: https://github.com/intel-lab-lkp/linux/commits/Kumar-Kartikeya-Dwivedi/bpf-Introduce-bpf_dynptr_from_mem_slice/20250508-012020 base: 43745d11bfd9683abdf08ad7a5cc403d6a9ffd15 patch link: https://lore.kernel.org/r/20250507171720.1958296-7-memxor%40gmail.com patch subject: [PATCH bpf-next v1 06/11] bpf: Report may_goto timeout to BPF stderr config: microblaze-defconfig (https://download.01.org/0day-ci/archive/20250508/202505082019.euW3a7Kk-lkp@intel.com/config) compiler: microblaze-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250508/202505082019.euW3a7Kk-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202505082019.euW3a7Kk-lkp@intel.com/ All errors (new ones prefixed by >>): microblaze-linux-ld: kernel/bpf/core.o: in function `bpf_prog_report_may_goto_violation': >> kernel/bpf/core.c:3166:(.text+0x6e08): undefined reference to `bpf_prog_stream_error_limit' >> microblaze-linux-ld: kernel/bpf/core.c:3166:(.text+0x6e28): undefined reference to `bpf_stream_stage_init' >> microblaze-linux-ld: kernel/bpf/core.c:3166:(.text+0x6e3c): undefined reference to `bpf_stream_stage_printk' >> microblaze-linux-ld: kernel/bpf/core.c:3166:(.text+0x6e48): undefined reference to `bpf_stream_stage_dump_stack' >> microblaze-linux-ld: kernel/bpf/core.c:3166:(.text+0x6e5c): undefined reference to `bpf_stream_stage_commit' >> microblaze-linux-ld: kernel/bpf/core.c:3166:(.text+0x6e68): undefined reference to `bpf_stream_stage_free' vim +3166 kernel/bpf/core.c 3158 3159 static noinline void bpf_prog_report_may_goto_violation(void) 3160 { 3161 struct bpf_prog *prog; 3162 3163 prog = bpf_prog_find_from_stack(); 3164 if (!prog) 3165 return; > 3166 bpf_stream_stage(prog, BPF_STDERR, ({ 3167 bpf_stream_printk("ERROR: Timeout detected for may_goto instruction\n"); 3168 bpf_stream_dump_stack(); 3169 })); 3170 } 3171 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki